<div class="form-box" id="login-box">
            <div class="header">Recuperar contrasenya</div>
            <form action="javascript:recuperar_contrasenya(mail.value);">
                <div class="body bg-gray">
                    <div class="form-group">
                        <input type="text" name="userid" id="mail" class="form-control" placeholder="Email"/>
                    </div>
                </div>
                <div class="footer">                                                               
                    <button type="submit" class="btn bg-olive btn-block">Reenviar</button>  
                </div>
            </form>

        </div>